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Dielectric waveguide channel dropping filter using 3 dB couplers and bandstop gratings

Dielectric waveguide channel dropping filter using 3 dB couplers and bandstop gratings

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© The Institution of Electrical Engineers
Published

Results for a new dielectric-waveguide (DW) channel dropping filter are presented. The DW channel dropping filter is composed of 3dB directional couplers and bandstop gratings. This class of channel dropping filters yields much wider bandwidth than ring resonator type channel dropping filters.

Inspec keywords: multiplexing equipment; microwave filters; band-stop filters; dielectric waveguides; passive filters; directional couplers

Other keywords: bandstop gratings; image guide type; MM-wave systems; microwave components; multiplexer applications; dielectric-waveguide; channel dropping filter; 3 dB couplers

Subjects: Waveguide and microwave transmission line components; Passive filters and other passive networks

References

    1. 1)
      • M. Abouzhara , L. Lewin . Coupling of degenerate modes on curved dielectric slab sections and applications to directional couplers. IEEE Trans. , 1096 - 1101
    2. 2)
      • T. Itanami , S. Shindo . Channel dropping filter for millimeterwave integrated circuits. IEEE Trans. , 759 - 764
    3. 3)
      • D.C. Park , G.L. Matthaei , M.S. Wei . Bandstop filter design using a dielectric waveguide grating. IEEE Trans. , 693 - 702
    4. 4)
      • T. Itanami . A periodic branching filter for millimeter-wave integrated circuits. IEEE Trans. , 971 - 978
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